Main Features:

- Mini Display Port 1.1a Dual-mode input / Thunderbolt Port to HDMI or DVI or VGA Port. 
- Extend your monitor of your Macbook, Macbook Air, with the max resolution of 1920x1080p@60Hz 
- Support audio output. When connecting the Late 2009 and Book (Pro  Mid 2010) to HDMI display, please set "Sound" on the dialog box of "System Preferences" to get audio output
- Plug and Play, automatic detect the display by plugging and unplugging it
- Powered from Mini Display Port source
- Fashionable and practicable design, nice shape and unique style, it's perfect for fit your Mac.
- Portable and light weight

This product with three output ports, and you can choose one of them to use at a time as you demand, the functions of the port as followings:

Input: 
Mini Display Port, connect to MacBook, MacBook Pro, or MacBook Air.

Output: 
1.DVI output, connect the DVI devices using a DVI cable.
2.HDMI output, connect the HDMI devices using a HDMI cable.
3.VGA output, connect the VGA devices using a VGA cable.
 

Specifications:

Size: 5.9 x 5.9 x 1.5 cm /  2.32 x 2.32 x 0.6 inch
The Adapter cable length:16 cm
Color:White
Input Signal:Mini Display Port 1.1a
Output Video:HDMI/DVI/VGA
Input: Mini Display Port Male 20pin
Output: HDMI Female Type A 19pin
Connector:DVI Female (24+1) VGA Female 15Pin
Vertical Frequency Range:50/60Hz
Video Amplifier Bandwidth:2.25Gbps/225MHz
HDMI/DVI/VGA:480i/480p,576p,720p,1080i/1080p
External Power Supply:No external power needed
Power consumption (Max):700mW